CA2226673A1 - Procedes de distillation pour l'elimination du hcf-125 le cfc-115 et l'acide fluorhydrique - Google Patents

Procedes de distillation pour l'elimination du hcf-125 le cfc-115 et l'acide fluorhydrique Download PDF

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Publication number
CA2226673A1
CA2226673A1 CA002226673A CA2226673A CA2226673A1 CA 2226673 A1 CA2226673 A1 CA 2226673A1 CA 002226673 A CA002226673 A CA 002226673A CA 2226673 A CA2226673 A CA 2226673A CA 2226673 A1 CA2226673 A1 CA 2226673A1
Authority
CA
Canada
Prior art keywords
hfc
column
cfc
mixture
azeotrope
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002226673A
Other languages
English (en)
Inventor
Barry Asher Mahler
Mario Joseph Nappa
Mark Andrew Casey
Ralph Newton Miller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21694663&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2226673(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2226673A1 publication Critical patent/CA2226673A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
    • C07C17/386—Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
    • C07C19/10—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
    • C07C19/12—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine having two carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

La présente invention concerne un procédé permettant d'éliminer par distillation azéotrope ou extractive le chloropentafluoroéthane (CFC-115) contenu dans un mélange comprenant du CFC-115, du difluorométhane (HFC-32), du pentafluoroéthane (HFC-125) ou dans des mélanges de ces composés.
CA002226673A 1995-07-14 1996-07-12 Procedes de distillation pour l'elimination du hcf-125 le cfc-115 et l'acide fluorhydrique Abandoned CA2226673A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US115695P 1995-07-14 1995-07-14
US60/001,156 1995-07-14

Publications (1)

Publication Number Publication Date
CA2226673A1 true CA2226673A1 (fr) 1997-02-06

Family

ID=21694663

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002226673A Abandoned CA2226673A1 (fr) 1995-07-14 1996-07-12 Procedes de distillation pour l'elimination du hcf-125 le cfc-115 et l'acide fluorhydrique

Country Status (12)

Country Link
US (1) US6156161A (fr)
EP (1) EP0840719B1 (fr)
JP (2) JPH11509209A (fr)
KR (1) KR19990028943A (fr)
CN (1) CN1084720C (fr)
AU (1) AU6457796A (fr)
BR (1) BR9609821A (fr)
CA (1) CA2226673A1 (fr)
DE (2) DE69623781T2 (fr)
ES (2) ES2183964T3 (fr)
MX (1) MX9800409A (fr)
WO (1) WO1997003936A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4752097A (en) * 1996-10-10 1998-05-05 Allied-Signal Inc. Process for separating pentafluoroethane and chloropentafluoroethane
JP3669400B2 (ja) * 1997-06-13 2005-07-06 ダイキン工業株式会社 パーフルオロアルキルアイオダイドとフッ化水素の共沸混合物、及びパーフルオロアルキルアイオダイドの分離精製方法
EP1003699B9 (fr) * 1997-08-12 2004-01-07 E.I. Du Pont De Nemours And Company Purification du difluoromethane par la distillation extractive
AU8647398A (en) * 1997-08-21 1999-03-16 Daikin Industries, Ltd. Process for preparing pentafluoroethane
EP1027313A1 (fr) * 1997-10-17 2000-08-16 E.I. Du Pont De Nemours And Company Separation de 1,1,1,3,3-pentafluoropropane du fluorure d'hydrogene
US7189311B2 (en) 2001-03-23 2007-03-13 Honeywell International Inc. Purification of difluoromethane
US6605193B2 (en) 2001-04-25 2003-08-12 Atofina Chemicals, Inc. Recovery of HFC-32
US20040173679A1 (en) * 2001-08-03 2004-09-09 Hajime Oki Card reader
US7699962B2 (en) * 2004-06-23 2010-04-20 Exxonmobil Chemical Patents Inc. Processes utilizing extractive distillation
US7402636B1 (en) 2007-03-23 2008-07-22 Exxonmobil Chemical Patents Inc Method and apparatus for decreasing polymer deposition
US7893176B2 (en) * 2007-03-23 2011-02-22 Exxonmobil Chemical Patents Inc. Polydispersity-controlled isoolefin polymerization with polymorphogenates
DE102007044916A1 (de) 2007-09-19 2009-04-23 Bionorica Ag Kosmetische oder dermatologische Zusammensetzung zur topischen Verwendung
US20100119460A1 (en) * 2008-11-11 2010-05-13 Honeywell International Inc. Azeotrope-Like Compositions Of 2,3,3,3-Tetrafluoropropene And 3,3,3-Trifluoropropene
PL3241879T3 (pl) 2014-09-25 2020-12-14 Daikin Industries, Ltd. Kompozycja zawierająca HFC i HFO
JP6613877B2 (ja) * 2015-01-07 2019-12-04 Ａｇｃ株式会社 共沸様組成物および精製された含フッ素化合物の製造方法
MX2022004531A (es) * 2019-10-15 2022-06-14 Univ Kansas Proceso para separar componentes de mezclas azeotrópicas usando líquidos iónicos.
FR3115036B1 (fr) 2020-10-12 2022-09-30 Dehon Sas Procédé de séparation des molécules d’un mélange de fluides comprenant au moins un composant fluoré

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732150A (en) * 1971-10-22 1973-05-08 Phillips Petroleum Co Process for separating halogenated hydrocarbons by azeotropic distillation with ammonia
US4843181A (en) * 1987-10-22 1989-06-27 E. I. Du Pont De Nemours And Company Process for the manufacture of 1,1,1-trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane
US5087329A (en) * 1991-05-16 1992-02-11 E. I. Du Pont De Nemours And Company Process for separating pentafluoroethane from a mixture of halogenated hydrocarbons containing chloropentafluoroethane
IT1252659B (it) * 1991-12-23 1995-06-20 Ausimont Spa Procedimento per la depurazione dell'1,1,1-trifluoro-2-fluoroetano e dell'1,1,1-trifluoro-2,2-dicloroetano
US5346595A (en) * 1993-02-23 1994-09-13 Alliedsignal Inc. Process for the purification of a pentafluoroethane azeotrope
FR2701943B1 (fr) * 1993-02-24 1995-05-12 Atochem Elf Sa Purification du pentafluoroéthane.
US5585529A (en) * 1993-04-06 1996-12-17 E. I. Du Pont De Nemours And Company Separation of chloropentafluoroethane from pentafluoroethane
US5421964A (en) * 1993-04-30 1995-06-06 E. I. Du Pont De Nemours And Company Process for separating HCl and halocarbons
JP3856820B2 (ja) * 1994-04-08 2006-12-13 イネオス フラウアー ホールデイングス リミテッド ペンタフルオロエタンの精製方法

Also Published As

Publication number Publication date
DE69623781D1 (de) 2002-10-24
ES2183964T3 (es) 2003-04-01
EP0840719B1 (fr) 2002-09-18
DE69632418T2 (de) 2004-09-09
DE69632418D1 (de) 2004-06-09
CN1084720C (zh) 2002-05-15
BR9609821A (pt) 1999-07-06
ES2219225T3 (es) 2004-12-01
EP0840719A1 (fr) 1998-05-13
AU6457796A (en) 1997-02-18
US6156161A (en) 2000-12-05
JP2007091762A (ja) 2007-04-12
KR19990028943A (ko) 1999-04-15
DE69623781T2 (de) 2003-08-14
MX9800409A (es) 1998-04-30
JPH11509209A (ja) 1999-08-17
CN1196037A (zh) 1998-10-14
WO1997003936A1 (fr) 1997-02-06

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